How to get there

By far the easiest way to get to Greece is by air. There are direct or corresponding flights to many Greek destinations from many major airports. Even if your starting point is North America, Australia, New Zealand or South Africa, the most cost-effective way to Greece may well be to get to London – or Amsterdam, Frankfurt or another Northern European hub – and pick up an onward flight from there.

Depending on your origin country you will have to book your ticket and plan your travel to Greece. Airfares are highest during summer time, mainly July and August. May, June and September are also popular, and since far fewer flights operate through the winter, bargains are rare at any time. Booking early you airplane ticket can reduce your travel costs. There are great fares to Greece in the off-season period.

The most common destination cities to enter Greece by air are: Athens (the capital) and Thessaloniki.

Athens

Metro

Suburban Rail (Proastiakos)

Bus

The airport is accessible via Metro Line 3 “Aghia Marina - Athens International Airport”.
The ticket costs 8.00 Euros and it is valid for one trip to or from the airport and you can go directly to the city center, like Suntagma Square, Monastiraki, etc.
A metro map can be found here

There are several bus lines to and from the airport. All buses depart from the designated area on the inner curbside of the arrivals level of the Main Terminal Building right outside the Exit (doors 4-5).

X95 Syntagma Square- Airport Express has its departure point at the center of Athens (Syntagma Square across the park from the Grande Bretagne) and via Vas. Sofias Avenue, Mesogion Avenue and Attiki Odos terminates at the airport.

X96 Pireaus- Airport Express starts from the Northwest Corner of Pireaus main harbor and goes past Karaiskaki Square and via Posidonos Avenue, Varis-Varkizas, and Varis-Koropiou Roads terminates at the airport.

X93 connects the Airport (door 5) with the bus terminals at Kiffissou and Lliosson streets.

X97 goes to the Dafni Metro Station and connects with Line 2 of the metro.

For Express Lines the ticket costs 5.00 Euros and is good for one trip to or from the airport. You can buy tickets from the driver or at the bus stations ticket offices, outside the bus terminal.